202110102105 has 32 divisors (see below), whose sum is σ = 340436442240. Its totient is φ = 102106644480.

The previous prime is 202110102097. The next prime is 202110102107. The reversal of 202110102105 is 501201011202.

It is not a de Polignac number, because 202110102105 - 2³ = 202110102097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (202110102107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2662375 + ... + 2737235.

It is an arithmetic number, because the mean of its divisors is an integer number (10638638820).

Almost surely, 2^202110102105 is an apocalyptic number.

It is an amenable number.

202110102105 is a deficient number, since it is larger than the sum of its proper divisors (138326340135).

202110102105 is a wasteful number, since it uses less digits than its factorization.

202110102105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84361.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 202110102105 its reverse (501201011202), we get a palindrome (703311113307).

The spelling of 202110102105 in words is "two hundred two billion, one hundred ten million, one hundred two thousand, one hundred five".